Hello Florian, On 22/09/2021 04:39, Florian Fainelli wrote: > From: Alex Sverdlin <alexander.sverdlin@xxxxxxxxx> > > commit 79f32b221b18c15a98507b101ef4beb52444cc6f upstream > > Teach ftrace_make_call() and ftrace_make_nop() about PLTs. > Teach PLT code about FTRACE and all its callbacks. sorry for inconvenience, but I'd propose to add 6fa630bf473827ae "ARM: 9098/1: ftrace: MODULE_PLT: Fix build problem without DYNAMIC_FTRACE" to all series on this topic, because of the below chunk which might lead to build issues on some exotic configurations. Link: https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx/thread/ZUVCQBHDMFVR7CCB7JPESLJEWERZDJ3T/ > --- a/arch/arm/kernel/module-plts.c > +++ b/arch/arm/kernel/module-plts.c > @@ -20,19 +21,52 @@ > (PLT_ENT_STRIDE - 8)) > #endif > > +static const u32 fixed_plts[] = { > +#ifdef CONFIG_FUNCTION_TRACER > + FTRACE_ADDR, > + MCOUNT_ADDR, > +#endif > +}; > + > static bool in_init(const struct module *mod, unsigned long loc) > { > return loc - (u32)mod->init_layout.base < mod->init_layout.size; -- Best regards, Alexander Sverdlin.
